How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/10100.0*Chance wins title100.0*Playoff LFFA B100.0*Average seed
Olímpia 40 Duas 37 -5.9
-1.3
-0.5
Zopene 20 Doza 27 (ot)-3.8
-0.1
Bolanha 24 Olimorque 17 -2.5
-0.2
Dima Cardinals 33 Pocino 36 +0.0
Week of 5/17100.0*Chance wins title100.0*Playoff LFFA B100.0*Average seed
Duas 24 Dima Cardinals 27 -2.8
-0.4
Poti 30 Olímpia 28 Yes
+0.0
Pocino 36 Bolanha 33 -0.1
Week of 5/24100.0*Chance wins title100.0*Playoff LFFA B100.0*Average seed
Pocino 26 Duas 25 -0.7
Poti 42 Dima Cardinals 42 (ot)-0.2
Points
Chance Will Win Championship